CN201052511Y - Flexible axle clamping device - Google Patents
Flexible axle clamping device Download PDFInfo
- Publication number
- CN201052511Y CN201052511Y CNU2007201409162U CN200720140916U CN201052511Y CN 201052511 Y CN201052511 Y CN 201052511Y CN U2007201409162 U CNU2007201409162 U CN U2007201409162U CN 200720140916 U CN200720140916 U CN 200720140916U CN 201052511 Y CN201052511 Y CN 201052511Y
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- China
- Prior art keywords
- clamping device
- flexible axle
- handle
- entad
- elevating arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a pipeline dredging machine being capable of clamping flexible shafts with different external diameters, which improves the prior flexible shaft clamping device of the pipeline dredging machine into a flexible shaft clamping device which is operated by a handgrip thrust unit being capable of adjusting the distance of run and has an inward clamp device with a rolling slanting wedge. By operating the improved flexible shaft clamping device, various flexible shafts with different external diameters can be clamped, and when clamping any one of the flexible shafts, the handgrip can be kept within the angle which is convenient for the operator to apply force. The utility model enlarges the application scope of the dredging machine, saves labor and makes the operation convenient.
Description
Technical field
Present technique relates to a kind of device of cleanser conduit internal proprietary machinery, a kind of specifically device that is used for drain cleaner clamping flexible axle.
Background technology
Widely used a kind of metal coil spring that suitable length is arranged is referred to as flexible axle usually.The rotary power of dredging machine makes its rotation by the mechanical device clamping flexible axle of operator's manual control, to reach the purpose of dredging pipeline.
For adapting to the pipeline of different size, use the flexible axle of different size, it is different with pitch to remove steel wire, and external diameter is also different, and as Ф 16mm, Ф 22mm, Ф 30mm etc., the flexible axle of each specification is the dredging machine of corresponding a kind of specification again, as GQ75, GQ150, GQ200 etc.Because the line clogging situation is different, tend to be not suitable for concrete condition and make a futile journey because take on-the-spot dredging machine specification to.
Make a kind of type clamping various outer diameter flexible axle " tiretube process " be arranged as DE 3119876 disclosed technology: outside thinner flexible axle, overlap a hollow spring-backed quill again, by the soft axle of sleeve pipe clamping, slightly inconvenience of its operation.Other has " adjacent method " as CN 2106669 disclosed technology: this machine suitably enlarges the working range of clamping device, and the flexible axle of adjacent external diameter different size is included among a kind of clamping range of type.
Make the flexible axle of the more specifications of single type clamping, the working range that simply increases clamping device is difficult to realize.Because the brake pad that control handle is not only to the clamping flexible axle provides entad mobile, also require handle entad to clamp a bigger boosting function for brake pad, the moment of torsion that needs 20NM as the flexible axle of Ф 22mm, by handle will to the brake pad conical end produce thrust more than the 4000N (tan60 ° of thrust 〉=20NM/ Ф μ. the coefficientoffriction ≈ 0.15 of general steel brake pad and flexible axle), as setting operation person during to the operating pressure of handle≤200N, then the handle power train need produce the reinforcement greater than 20 times, because clamping device reinforcement and stroke are inverse ratio, device in the past is difficult to enlarge clamping range under the condition that guarantees reinforcement.Foregoing " adjacent method " dredging machine, when the thick flexible axle of clamping, handle position on horizontal plane about 30 the degree angular regions in, can make the operator suitably utilize self gravitation, be fit to operation, and during the soft axle of clamping, handle can there be bigger corner downwards in position very low even backward, the operator is made not energetically, the not tight flexible axle of folder.
Also have, usually the manual clamping device of dredging machine adopts slidingtype frictional drive structure, as above-mentioned two disclosed technology, three slidingtype brake pads that all use two-way 60 ° of circular cones to cut apart, but the sliding friction transmission efficiency is lower, and when flexible axle being applied than high pulling torque, that need exert oneself very much depresses handle, both required great effort, also often can't clip flexible axle.
Summary of the invention
The utility model is controlled by handle for drain cleaner provides a kind of, the effective device of the multiple different-diameter flexible axle of clamping, and in clamping wherein during the arbitrary diameter flexible axle, handle all can remain in the angle of being convenient to operator's application of force.
The technical solution adopted in the utility model is: to the clamping device clamping flexible axle that drain cleaner is in the past controlled on the same axis by the handle thrust device and entad distributed, be improved to by the handle thrust device of range-adjustable and have the flexible axle clamping device that the entad clamping device of rolling wedge is formed jointly.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described.
Fig. 1 is the basic example structure schematic diagram of range-adjustable handle thrust device, and handle is set on the horizontal plane of being convenient to operator's application of force in 30 ° of angles.
Fig. 2 is the structural representation that the handle thrust device is manually adjusted stroke among Fig. 1 embodiment.
Fig. 3 is the example structure schematic diagram that the handle thrust device of range-adjustable is improved to automatic adjustment stroke.
Fig. 4 is the revolved sectional view to Fig. 3.
Fig. 5 is the complete embodiment of the utility model, by the common flexible axle clamping device structural representation of forming of handle thrust device and the entad clamping device with rolling wedge of range-adjustable.
Fig. 6 is the local revolved section structural representation of Fig. 5.
The specific embodiment
In Fig. 1, elevating arc (2) is fixedlyed connected with handle (1), and elevating arc (2) has toothed portion only to mesh with driven pulley (0) in the angle of setting, driven pulley (0) and tooth bar (4) engagement.
Fig. 2 is the signal of range-adjustable among Fig. 1 embodiment, handle (1) is lifting the position, and elevating arc (2) is thrown off engagement with driven pulley (0), at this moment, the rotation of driven pulley (0) is not to be subjected to handle (1) constraint, can adjust driven pulley (0) interlock tooth bar (4) and move in new position.
Fig. 3, Fig. 4 are the handle thrust device of range-adjustable is improved to automatic adjustment stroke by manual adjustment stroke embodiment, be with basic embodiment (Fig. 1, Fig. 2) difference: idle wheel (3) and the coaxial support of elevating arc (2), and be connected by torque clutch (5) between idle wheel (3) and the elevating arc (2), torque clutch (5) is the known mechanism that separates automatically when surpassing the moment of torsion of setting: can be that friction-type also can be an inserted type.Clutch among Fig. 4 (5) is depicted as the steel ball positive clutch.
In the specific embodiment, the flute profile of described elevating arc (2), driven pulley (0), idle wheel (3) and tooth bar (4) can be involute, cycloid or wedge type.
Fig. 5 is the complete embodiment of the utility model, forms the flexible axle clamping device jointly by the handle thrust device and the entad clamping device with rolling wedge of (Fig. 3, Fig. 4) range-adjustable.At first consulting Fig. 5 (left side) and Fig. 6 describes, entad clamping device with rolling wedge is to be supported by spring (7) and entad distribution by some brake pads (6) with cammed surface, the cammed surface of brake pad (6) and roller (8) are formed the rolling Wedge mechanism, roller (8) is respectively by dead axle cover (9), moving axis cover (10) supports and constrains on the revolution axis, when moving axis cover (10) to dead axle cover (9) when moving axially, roller (8) is rolled along the cammed surface of brake pad (6), thereby make entad (or centrifugal) mobile entad clamping (or unclamping) that realizes flexible axle (11) external diameter of brake pad (6).Described roller (8) can be installed on dead axle cover (9), the moving axis cover (10); Also can be installed on the brake pad (6), this moment, cammed surface was in dead axle cover (9), moving axis cover (10) inboard.
Described in the present embodiment cammed surface (along wedge lift angle direction) can be the inclined-plane, also can be curved surface.
Please allow working condition in conjunction with the embodiments that the complete embodiment of Fig. 5 is described further: to consult Fig. 3,4,5,6, when lifting and the handle that rotates backward (1), the elevating arc (2) of fixedlying connected with handle (1) rotates and throws off engagement with tooth bar (4), at this moment, tension spring (7) is gone up cammed surface promotion roller (8) through brake pad (6) and is made moving axis cover (10), tooth bar (4) (figure right) backward moves, until the centrifugal maximum that is flared to of brake pad (6), then, put into the flexible axle (11) of arbitrary diameter, control handle (1) rotates forward again, elevating arc (2) drives idle wheel (3) rotation and pinion rack (4) and moving axis cover (10) through clutch (5) and moves forward, the roller (8) that moving axis cover (10) is supported entad moves through cammed surface effect brake pad (6), when brake pad (6) moves to contact flexible axle (11) external diameter, because the flexible axle external diameter stops tooth bar (4) to continue to move the rotation that also hinders idle wheel (3) to the reaction force of brake pad (6), when further the moment of torsion of swelled handle (1) makes its moment of torsion (for example 10NM) of setting greater than clutch (5), clutch separation, thereby make handle (1) continue to rotate forward, have toothed portion and tooth bar (4) until the elevating arc (2) of fixedlying connected with handle (1) mesh, at this moment, in (operator is convenient to the application of force) angle that handle (1) is being set, make its fixedly connected elevating arc (2) directly transmit thrust in this new position of engagement to moving axis cover (10) at this position control handle (1), make the entad brake pad of clamping device (6) clamping flexible axle (11) tightly of rolling wedge tooth bar (4).
Beneficial effect
Flexible axle clamping device provided by the utility model is suitable for appointing in the Φ 12mm-Ф 32mm scope The clamping of unexpected footpath flexible axle. When the handle moment of torsion is 60NM, during 135 ° of pivot angles, can provide greater than 35mm's The effective push stroke, the optional position in the trip provides the thrust of 4000N, and thrust is being provided Control handle is remained in the angle that is fit to operator's application of force; Join again to give and have higher transmission efficiency The centripetal clamping device of rolling wedge can make a multiple various outer diameter flexible axle of dredging machine clamping, enlarges to use model Enclose, easy to operate.
Claims (5)
1. flexible axle clamping device, clamping device clamping flexible axle by pipe-dredging cleaner handgrip thrust device is controlled on the same axis and entad distributed is characterized in that: improved flexible axle clamping device is made of with the entad clamping device with rolling wedge jointly the handle thrust device of range-adjustable.
2. flexible axle clamping device according to claim 1 is characterized in that: the handle thrust device of range-adjustable is to be fixedlyed connected with handle by elevating arc, and elevating arc has toothed portion only to mesh with driven pulley in the angle of setting.
3. flexible axle clamping device according to claim 1, it is characterized in that: the handle thrust device of range-adjustable is to be fixedlyed connected with handle by elevating arc, idle wheel and the coaxial support of elevating arc, be connected by torque clutch between idle wheel and elevating arc, elevating arc has toothed portion only to mesh with tooth bar in the angle of setting.
4. flexible axle clamping device according to claim 1 is characterized in that: the entad clamping device with rolling wedge is by some brake pads with cammed surface that entad distribute and act on roller on the cammed surface and dead axle cover, the moving axis cover of support roller formed jointly.
5. flexible axle clamping device according to claim 1 is characterized in that: the entad clamping device with rolling wedge is made of with the dead axle cover with cammed surface, moving axis cover jointly some entad branches and brake pad with roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201409162U CN201052511Y (en) | 2007-03-30 | 2007-03-30 | Flexible axle clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201409162U CN201052511Y (en) | 2007-03-30 | 2007-03-30 | Flexible axle clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201052511Y true CN201052511Y (en) | 2008-04-30 |
Family
ID=39392180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201409162U Expired - Fee Related CN201052511Y (en) | 2007-03-30 | 2007-03-30 | Flexible axle clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201052511Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909559A (en) * | 2011-08-01 | 2013-02-06 | 舒能（苏州）工业技术有限公司 | Flexible shaft squaring and cutting machine |
| CN112354980A (en) * | 2020-11-20 | 2021-02-12 | 苏锎 | Flexible shaft jacket |
| US11396034B2 (en) | 2019-09-30 | 2022-07-26 | Milwaukee Electric Tool Corporation | Motor control of a drain cleaning machine |
| US11999033B2 (en) | 2019-10-03 | 2024-06-04 | Milwaukee Electric Tool Corporation | Drain cleaner cable decoupler tool |
-
2007
- 2007-03-30 CN CNU2007201409162U patent/CN201052511Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909559A (en) * | 2011-08-01 | 2013-02-06 | 舒能（苏州）工业技术有限公司 | Flexible shaft squaring and cutting machine |
| CN102909559B (en) * | 2011-08-01 | 2015-06-03 | 舒能（苏州）工业技术有限公司 | Flexible shaft squaring and cutting machine |
| US11396034B2 (en) | 2019-09-30 | 2022-07-26 | Milwaukee Electric Tool Corporation | Motor control of a drain cleaning machine |
| US11638940B2 (en) | 2019-09-30 | 2023-05-02 | Milwaukee Electric Tool Corporation | Motor control of a drain cleaning machine |
| US11999033B2 (en) | 2019-10-03 | 2024-06-04 | Milwaukee Electric Tool Corporation | Drain cleaner cable decoupler tool |
| CN112354980A (en) * | 2020-11-20 | 2021-02-12 | 苏锎 | Flexible shaft jacket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Su Yinyan Document name: Notification to Pay the Fees |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 Termination date: 20110330 |